lunar

adjective

lu·​nar ˈlü-nər How to pronounce lunar (audio)
 also  -ˌnär
1
: crescent, lunate
who grasps the struggling heifer's lunar horns Alexander Pope
2
a
: of, relating to, or resembling the moon
lunar craters
a lunar landscape
b
: designed for use on the moon
lunar vehicles
3
: measured by the moon's revolution
lunar month

Example Sentences

Recent Examples on the Web During its outbound lunar journey, Orion captured incredible views of the Earth about nine hours after launching from Kennedy Space Center in Florida. Jamie Groh, USA TODAY, 17 Nov. 2022 The objective of the Artemis missions is to create a long-term, sustainable lunar presence — while also serving as a foundation to eventually send astronauts to Mars, in addition to the moon. Jason Hahn, Peoplemag, 16 Nov. 2022 The goal is to create a long-term lunar presence that will grease the skids for sending people to Mars. Marcia Dunn, ajc, 16 Nov. 2022 After years of delays and several false starts, the wait is finally over: NASA’s massive Space Launch System rocket and the Orion capsule lifted off at 1:48 am Eastern time, heading for a historic lunar flyby. WIRED, 16 Nov. 2022 The 18-minute-long trans-lunar injection, or TLI, burn was expected about 90 minutes after launch. William Harwood, CBS News, 16 Nov. 2022 This Artemis mission plan called for the Space Launch System rocket to boost the Orion capsule and its support craft into Earth orbit where its engines would fire in a critical move called the trans-lunar injection. Lee Roop | Lroop@al.com, al, 16 Nov. 2022 The vision is for crewed missions to establish a lunar outpost from which research and resource reconnaissance can be conducted. Eva Botkin-kowacki, The Christian Science Monitor, 16 Nov. 2022 With the successful launch, all systems are go for the Artemis 1 mission, the first major part of NASA’s new lunar program that aims to one day put people back on the moon. Carlyn Kranking, Smithsonian Magazine, 16 Nov. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lunar.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

Etymology

Middle English, from Latin lunaris, from luna moon; akin to Latin lucēre to shine — more at light

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of lunar was in the 15th century

Dictionary Entries Near lunar

Cite this Entry

“Lunar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lunar. Accessed 29 Nov. 2022.

Kids Definition

lunar

adjective

lu·​nar ˈlü-nər How to pronounce lunar (audio)
1
: of, relating to, or resembling the moon
lunar craters
a lunar landscape
2
: measured by the moon's revolution
lunar month

Medical Definition

lunar

adjective

lu·​nar
ˈlü-nər also -ˌnär
: lunate

More from Merriam-Webster on lunar

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